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2011

Active operation based edit distance for duplicate detection

Author:A.Venkatesh Kumar and G. Rajendran

Abstract:
The problem of identifying approximately duplicate records in databases is an essential step for data cleaning and data integration processes. In the real world, entities have two or more representations in databases. Errors are introduced as the result of transcription errors, incomplete information, lack of standard formats, or any combination of these factors. Most of the existing approach has been depend on the generic or manual intervention is required to calculate the edit distance. None of the existing approach hasnt focus on how many individual operations required for edit distance calculation, existing relied on total operation. In this paper, we present a thorough analysis of the literature on edit distance for duplicate detection. We cover similarity metrics that are commonly used to detect number of individual operation required to find a duplicate record, which includes the total required edit operation.